plugins/check_cluster.c

   1 /*****************************************************************************
   2  *
   3  * CHECK_CLUSTER2.C - Host and Service Cluster Plugin for Nagios 2.x
   4  *
   5  * Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)
   6  * Copyright (c) 2007 nagios-plugins team
   7  * License: GPL
   8  * Last Modified: $Date$
   9  *
  10  * License Information:
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  25  *
  26  * $Id$
  27  *
  28 ******************************************************************************/
  29
  30 const char *progname = "check_cluster";
  31 const char *revision = "$Revision$";
  32 const char *copyright = "2007";
  33 const char *email = "nagiosplug-devel@lists.sourceforge.net";
  34
  35 #include "common.h"
  36 #include "utils.h"
  37
  38 #define CHECK_SERVICES  1
  39 #define CHECK_HOSTS     2
  40
  41 void print_help (void);
  42 void print_usage (void);
  43
  44 int total_services_ok=0;
  45 int total_services_warning=0;
  46 int total_services_unknown=0;
  47 int total_services_critical=0;
  48
  49 int total_hosts_up=0;
  50 int total_hosts_down=0;
  51 int total_hosts_unreachable=0;
  52
  53 char *warn_threshold;
  54 char *crit_threshold;
  55
  56 int check_type=CHECK_SERVICES;
  57
  58 char *data_vals=NULL;
  59 char *label=NULL;
  60
  61 int verbose=0;
  62
  63 int process_arguments(int,char **);
  64
  65
  66
  67 int main(int argc, char **argv){
  68         char *ptr;
  69         int data_val;
  70         int return_code=STATE_OK;
  71         thresholds *thresholds;
  72
  73         if(process_arguments(argc,argv)==ERROR)
  74                 usage(_("Could not parse arguments"));
  75
  76         /* Initialize the thresholds */
  77         set_thresholds(&thresholds, warn_threshold, crit_threshold);
  78         if(verbose)
  79                 print_thresholds("check_cluster", thresholds);
  80
  81         /* check the data values */
  82         for(ptr=strtok(data_vals,",");ptr!=NULL;ptr=strtok(NULL,",")){
  83
  84                 data_val=atoi(ptr);
  85
  86                 if(check_type==CHECK_SERVICES){
  87                         switch(data_val){
  88                         case 0:
  89                                 total_services_ok++;
  90                                 break;
  91                         case 1:
  92                                 total_services_warning++;
  93                                 break;
  94                         case 2:
  95                                 total_services_critical++;
  96                                 break;
  97                         case 3:
  98                                 total_services_unknown++;
  99                                 break;
 100                         default:
 101                                 break;
 102                         }
 103                 }
 104                 else{
 105                         switch(data_val){
 106                         case 0:
 107                                 total_hosts_up++;
 108                                 break;
 109                         case 1:
 110                                 total_hosts_down++;
 111                                 break;
 112                         case 2:
 113                                 total_hosts_unreachable++;
 114                                 break;
 115                         default:
 116                                 break;
 117                         }
 118                 }
 119         }
 120
 121
 122         /* return the status of the cluster */
 123         if(check_type==CHECK_SERVICES){
 124                 return_code=get_status(total_services_warning+total_services_unknown+total_services_critical, thresholds);
 125                 printf("CLUSTER %s: %s: %d ok, %d warning, %d unknown, %d critical\n",
 126                         state_text(return_code), (label==NULL)?"Service cluster":label,
 127                         total_services_ok,total_services_warning,
 128                         total_services_unknown,total_services_critical);
 129         }
 130         else{
 131                 return_code=get_status(total_hosts_down+total_hosts_unreachable, thresholds);
 132                 printf("CLUSTER %s: %s: %d up, %d down, %d unreachable\n",
 133                         state_text(return_code), (label==NULL)?"Host cluster":label,
 134                         total_hosts_up,total_hosts_down,total_hosts_unreachable);
 135         }
 136
 137         return return_code;
 138 }
 139
 140
 141
 142 int process_arguments(int argc, char **argv){
 143         int c;
 144         int option=0;
 145         static struct option longopts[]={
 146                 {"data",     required_argument,0,'d'},
 147                 {"warning",  required_argument,0,'w'},
 148                 {"critical", required_argument,0,'c'},
 149                 {"label",    required_argument,0,'l'},
 150                 {"host",     no_argument,      0,'h'},
 151                 {"service",  no_argument,      0,'s'},
 152                 {"verbose",  no_argument,      0,'v'},
 153                 {"help",     no_argument,      0,'H'},
 154                 {0,0,0,0}
 155         };
 156
 157         /* no options were supplied */
 158         if(argc<2)
 159                 return ERROR;
 160
 161         while(1){
 162
 163                 c=getopt_long(argc,argv,"hHsvw:c:d:l:",longopts,&option);
 164
 165                 if(c==-1 || c==EOF || c==1)
 166                         break;
 167
 168                 switch(c){
 169
 170                 case 'h': /* host cluster */
 171                         check_type=CHECK_HOSTS;
 172                         break;
 173
 174                 case 's': /* service cluster */
 175                         check_type=CHECK_SERVICES;
 176                         break;
 177
 178                 case 'w': /* warning threshold */
 179                         if (strspn (optarg, "0123456789:,") < strlen (optarg))
 180                                 usage2 (_("Invalid warning threshold: %s\n"), optarg);
 181                         warn_threshold = strdup(optarg);
 182                         break;
 183
 184                 case 'c': /* warning threshold */
 185                         if (strspn (optarg, "0123456789:,") < strlen (optarg))
 186                                 usage2 (_("Invalid critical threshold: %s\n"), optarg);
 187                         crit_threshold = strdup(optarg);
 188                         break;
 189
 190                 case 'd': /* data values */
 191                         data_vals=(char *)strdup(optarg);
 192                         break;
 193
 194                 case 'l': /* text label */
 195                         label=(char *)strdup(optarg);
 196                         break;
 197
 198                 case 'v': /* verbose */
 199                         verbose++;
 200                         break;
 201
 202                 case 'H': /* help */
 203                         print_help();
 204                         exit(STATE_UNKNOWN);
 205                         break;
 206
 207                 default:
 208                         return ERROR;
 209                         break;
 210                 }
 211         }
 212
 213         if(data_vals==NULL)
 214                 return ERROR;
 215
 216         return OK;
 217 }
 218
 219 void
 220 print_help(void)
 221 {
 222         print_revision(progname, revision);
 223         printf ("Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)\n");
 224         printf(COPYRIGHT, copyright, email);
 225
 226         printf(_("Host/Service Cluster Plugin for Nagios 2"));
 227         printf("\n\n");
 228
 229         print_usage();
 230
 231         printf("\n");
 232         printf("%s\n", _("Options:"));
 233         printf (" %s\n", "-s, --service");
 234         printf ("    %s\n", _("Check service cluster status"));
 235         printf (" %s\n", "-h, --host");
 236         printf ("    %s\n", _("Check host cluster status"));
 237         printf (" %s\n", "-l, --label=STRING");
 238         printf ("    %s\n", _("Optional prepended text output (i.e. \"Host cluster\")"));
 239         printf (" %s\n", "-w, --warning=THRESHOLD");
 240         printf ("    %s\n", _("Specifies the range of hosts or services in cluster that must be in a"));
 241         printf ("    %s\n", _("non-OK state in order to return a WARNING status level"));
 242         printf (" %s\n", "-c, --critical=THRESHOLD");
 243         printf ("    %s\n", _("Specifies the range of hosts or services in cluster that must be in a"));
 244         printf ("    %s\n", _(" non-OK state in order to return a CRITICAL status level"));
 245         printf (" %s\n", "-d, --data=LIST");
 246         printf ("    %s\n", _("The status codes of the hosts or services in the cluster, separated by"));
 247         printf ("    %s\n", _("commas"));
 248
 249         printf(_(UT_VERBOSE));
 250
 251         printf("\n");
 252         printf("%s\n", _("Notes:"));
 253         printf(" %s\n", _("See:"));
 254         printf(" %s\n", ("http://nagiosplug.sourceforge.net/developer-guidelines.html#THRESHOLDFORMAT"));
 255         printf(" %s\n", _("for THRESHOLD format and examples."));
 256
 257         printf(_(UT_SUPPORT));
 258         printf("\n");
 259 }
 260
 261
 262 void
 263 print_usage(void)
 264 {
 265
 266         printf(_("Usage:"));
 267         printf(" %s (-s | -h) -d val1[,val2,...,valn] [-l label]\n", progname);
 268         printf("[-w threshold] [-c threshold] [-v] [--help]\n");
 269
 270 }
 271